Home / 351,019,848.30-526,529,772.45-169,621,320.30

Finding the Fourth Proportional to 351,019,848.30, 526,529,772.45 and 169,621,320.30

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Solution

The fourth proportional to 351,019,848.30, 526,529,772.45 and 169,621,320.30 is: 254,431,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,019,848.30 : 526,529,772.45 = 169,621,320.30 : x
  2. Step 2: Convert to fraction form
    351,019,848.30/526,529,772.45 = 169,621,320.30/x
  3. Step 3: Cross multiply
    351,019,848.30x = 526,529,772.45 × 169,621,320.30
  4. Step 4: Simplify right side
    351,019,848.30x = 89,310,675,180,227,568
  5. Step 5: Solve for x
    x = 89,310,675,180,227,568/351,019,848.30
  6. Step 6: Final answer
    x = 254,431,980.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.